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It turns out that 5-and-3 disks have a different header prologue.

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Thomas Harte
2020-03-24 21:59:55 -04:00
parent 894d196b64
commit e5cbdfc67c
1 changed files with 6 additions and 4 deletions
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10
Storage/Disk/Encodings/AppleGCR/Encoder.hpp
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@@ -16,12 +16,14 @@ namespace Storage {
namespace Encodings { namespace Encodings {
namespace AppleGCR { namespace AppleGCR {
/// Describes the standard three-byte prologue that begins a header. /// Describes the standard three-byte prologue that begins a header on both the Macintosh and the Apple II from DOS 3.3.
const uint8_t header_prologue[3] = {0xd5, 0xaa, 0x96}; constexpr uint8_t header_prologue[3] = {0xd5, 0xaa, 0x96};
/// Describes the standard three-byte prologue that begins a data section. /// Describes the standard three-byte prologue that begins a data section.
const uint8_t data_prologue[3] = {0xd5, 0xaa, 0xad}; constexpr uint8_t data_prologue[3] = {0xd5, 0xaa, 0xad};
/// Describes the epilogue that ends both data sections and headers. /// Describes the epilogue that ends both data sections and headers.
const uint8_t epilogue[3] = {0xde, 0xaa, 0xeb}; constexpr uint8_t epilogue[3] = {0xde, 0xaa, 0xeb};
/// Describes the standard three-byte prologue used by DOS 3.2 and earlier.
constexpr uint8_t five_and_three_header_prologue[3] = {0xd5, 0xaa, 0xb5};
namespace AppleII { namespace AppleII {